Click on the third or sixth rank to set the en passant target square.

EGTB: draw

# move score
1 Nb4 draw
2 Kb7 loss in 6 half-moves
3 Kb8 loss in 6 half-moves
4 Kc7 loss in 6 half-moves
5 Kd7 loss in 6 half-moves
6 Kd8 loss in 6 half-moves
7 Nc1 loss in 4 half-moves
8 Nc3 loss in 4 half-moves